A description of the function of the hybrid circuit in the tracker, the first prototype designs, results of some electrical and mechanical properties from the prototypes, and examples of the integration of the hybrids into detector modules are presentedįoudas, C. Rigid organic-based substrate prototypes and also a flexible hybrid design have been built, containing up to eight front-end flip chip ASICs. These hybrids will provide module connectivity between flip-chip front-end ASICs, strip sensors and a service board for the data transmission and powering.
New high-density interconnect hybrid circuits are under development for the CMS tracker modules at the HL-LHC. International Nuclear Information System (INIS)īlanchot, G Honma, A Kovacs, M Braga, D Raymond, M Hybrid circuit prototypes for the CMS Tracker upgrade front-end electronics A multi-layered software architecture to handle these devices, and the front-ends, in a way transparent to the end-user, interfaced to an Oracle database for the retrieval of the parameters to be downloaded with the intent of building and operating a small-scale prototype of the control system for the CMS Tracker. The optical links, the Front End Controller board that carries their support electronics, the Clocking and Control Unit module receiving the signals over the high-speed link and fanning them out to the front- ends have recently become available. In order to establish reliable, noise-free communication with the outside world the control chain has been designed to operate over a ribbon of optical fibers. The CMS Tracker uses complex, programmable embedded electronics for the readout of the Silicon sensors, for the control of the working point of the optical transmitters, for the phase adjustment of the 40 MHz LHC clock and for the monitoring of the voltages, currents and temperatures.
The control system for the CMS tracker front-endĭrouhin, F Ljuslin, C Maazouzi, C Marchiero, A Marinelli, N Paillard, C Siegrist, P Tsirou, A L Verdini, P G Walsham, P Zghiche, A
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